# Copyright (c) 2015 The Johns Hopkins University/Applied Physics Laboratory
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

import logging
import sys

from kmip.core import enums
from kmip.demos import utils

from kmip.pie import client
from kmip.pie import objects


if __name__ == '__main__':
    # 创建一个控制台日志记录器
    logger = utils.build_console_logger(logging.INFO)

    # 创建一个命令行解析器，用于解析注册操作的参数
    parser = utils.build_cli_parser(enums.Operation.REGISTER)
    # 解析命令行参数
    opts, args = parser.parse_args(sys.argv[1:])

    # 获取配置信息
    config = opts.config

    # 设置加密算法为AES
    algorithm = enums.CryptographicAlgorithm.AES
    # 设置密钥长度为128
    length = 128
    # 设置密钥值
    value = (
        b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E'
        b'\x0F')
    # 设置密钥用途为加密和解密
    usage_mask = [enums.CryptographicUsageMask.ENCRYPT,
                  enums.CryptographicUsageMask.DECRYPT]
    # 设置密钥名称
    name = 'Demo Symmetric Key'

    # 创建一个对称密钥对象
    key = objects.SymmetricKey(algorithm, length, value, usage_mask, name)
    # 设置操作策略名称
    key.operation_policy_name = opts.operation_policy_name

    # 创建一个Kmip客户端并连接到服务器
    with client.ProxyKmipClient(
            config=config,
            config_file=opts.config_file
    ) as client:
        try:
            # 注册密钥并获取唯一标识符
            uid = client.register(key)
            # 记录成功注册的日志
            logger.info("Successfully registered symmetric key with ID: "
                        "{0}".format(uid))
        except Exception as e:
            # 记录错误日志
            logger.error(e)
